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    SubjectRE: rcu_preempt self-detected stall on CPU from 4.5-rc3, since 3.17
    Date
    Hi Paul,

    On 2016-03-23, Paul E. McKenney wrote:
    > Please boot with the following parameters:
    >
    > rcu_tree.rcu_kick_kthreads ftrace
    > trace_event=sched_waking,sched_wakeup,sched_wake_idle_without_ipi
    >
    > Or was this run with tracing? If so, less than three hours isn't too bad.

    This was with tracing enabled, only missing the crucial rcu_tree.rcu_kick_kthreads

    Reinette

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